adb/adb_unique_fd.h

/*
 * Copyright (C) 2016 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#pragma once

#include <errno.h>
#include <unistd.h>

#include <android-base/unique_fd.h>

#if defined(_WIN32)
// Helper to automatically close an FD when it goes out of scope.
struct AdbCloser {
    static void Close(int fd);
};

using unique_fd = android::base::unique_fd_impl<AdbCloser>;
#else
using unique_fd = android::base::unique_fd;
#endif

template <typename T>
int adb_close(const android::base::unique_fd_impl<T>&)
        __attribute__((__unavailable__("adb_close called on unique_fd")));